26414639 has 4 divisors (see below), whose sum is σ = 26576856. Its totient is φ = 26252424.

The previous prime is 26414629. The next prime is 26414653. The reversal of 26414639 is 93641462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26414639 - 2⁴ = 26414623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26414599 and 26414608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26414629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80864 + ... + 81189.

It is an arithmetic number, because the mean of its divisors is an integer number (6644214).

Almost surely, 2^26414639 is an apocalyptic number.

26414639 is a deficient number, since it is larger than the sum of its proper divisors (162217).

26414639 is a wasteful number, since it uses less digits than its factorization.

26414639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162216.

The product of its digits is 31104, while the sum is 35.

The square root of 26414639 is about 5139.5173897945. The cubic root of 26414639 is about 297.8161373516.

The spelling of 26414639 in words is "twenty-six million, four hundred fourteen thousand, six hundred thirty-nine".